From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MiSVK-0006HQ-0o for qemu-devel@nongnu.org; Tue, 01 Sep 2009 08:30:31 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MiSVC-0006Cd-Cg for qemu-devel@nongnu.org; Tue, 01 Sep 2009 08:30:26 -0400 Received: from [199.232.76.173] (port=46206 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MiSVB-0006CS-U4 for qemu-devel@nongnu.org; Tue, 01 Sep 2009 08:30:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28181) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MiSVB-0002Hq-H9 for qemu-devel@nongnu.org; Tue, 01 Sep 2009 08:30:21 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n81CUKRv007246 for ; Tue, 1 Sep 2009 08:30:20 -0400 Message-ID: <4A9D139A.4050709@redhat.com> Date: Tue, 01 Sep 2009 14:29:14 +0200 From: Kevin Wolf MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH] qcow2: Order concurrent AIO requests on the same unallocated cluster References: <1251730129-18693-1-git-send-email-kwolf@redhat.com> <4A9CF517.30701@redhat.com> <4A9CFC64.7050603@redhat.com> <4A9D047E.1040208@redhat.com> <20090901112647.GZ30093@redhat.com> In-Reply-To: <20090901112647.GZ30093@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: Avi Kivity , qemu-devel@nongnu.org Gleb Natapov schrieb: >>> No really detailed numbers. Installation time for RHEL on qcow2/virtio >>> went down from 34 min to 19 min, though. >> That's very impressive. cache=none or cache=wt? >> > And how it compares with raw? I just ran another installation on raw and it took about 16:30 min. And with the next patch series that I'm going to send today we'll be in the same region with qcow2. Kevin